The underground is 50 miles in l_______.
He told me this custom is ______（独有的）to China.
As she ______ （走近）the school, the 1^st building she saw was the teaching building.
On many formal ______ （场合）, we need to dress and behave properly.
I shouted at her, but she didn’t ______ （反应）at all.
Wang Lin and I, r______ our school, to meet the guests from the United States at the airport.
His parents are ______ （相信）of the fact that their son always focuses his mind on his study.
The new restaurant was a f______, and soon closed.
The author ______ （后悔）having ignored his friend’s warning.